2 * skl-message.c - HDA DSP interface for FW registration, Pipe and Module
5 * Copyright (C) 2015 Intel Corp
6 * Author:Rafal Redzimski <rafal.f.redzimski@intel.com>
7 * Jeeja KP <jeeja.kp@intel.com>
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as version 2, as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
20 #include <linux/slab.h>
21 #include <linux/pci.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include "skl-sst-dsp.h"
25 #include "skl-sst-ipc.h"
27 #include "../common/sst-dsp.h"
28 #include "../common/sst-dsp-priv.h"
29 #include "skl-topology.h"
30 #include "skl-tplg-interface.h"
32 static int skl_alloc_dma_buf(struct device
*dev
,
33 struct snd_dma_buffer
*dmab
, size_t size
)
35 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dev
);
36 struct hdac_bus
*bus
= ebus_to_hbus(ebus
);
41 return bus
->io_ops
->dma_alloc_pages(bus
, SNDRV_DMA_TYPE_DEV
, size
, dmab
);
44 static int skl_free_dma_buf(struct device
*dev
, struct snd_dma_buffer
*dmab
)
46 struct hdac_ext_bus
*ebus
= dev_get_drvdata(dev
);
47 struct hdac_bus
*bus
= ebus_to_hbus(ebus
);
52 bus
->io_ops
->dma_free_pages(bus
, dmab
);
57 #define NOTIFICATION_PARAM_ID 3
58 #define NOTIFICATION_MASK 0xf
60 /* disable notfication for underruns/overruns from firmware module */
61 static void skl_dsp_enable_notification(struct skl_sst
*ctx
, bool enable
)
63 struct notification_mask mask
;
64 struct skl_ipc_large_config_msg msg
= {0};
66 mask
.notify
= NOTIFICATION_MASK
;
69 msg
.large_param_id
= NOTIFICATION_PARAM_ID
;
70 msg
.param_data_size
= sizeof(mask
);
72 skl_ipc_set_large_config(&ctx
->ipc
, &msg
, (u32
*)&mask
);
75 int skl_init_dsp(struct skl
*skl
)
77 void __iomem
*mmio_base
;
78 struct hdac_ext_bus
*ebus
= &skl
->ebus
;
79 struct hdac_bus
*bus
= ebus_to_hbus(ebus
);
81 struct skl_dsp_loader_ops loader_ops
;
84 loader_ops
.alloc_dma_buf
= skl_alloc_dma_buf
;
85 loader_ops
.free_dma_buf
= skl_free_dma_buf
;
87 /* enable ppcap interrupt */
88 snd_hdac_ext_bus_ppcap_enable(&skl
->ebus
, true);
89 snd_hdac_ext_bus_ppcap_int_enable(&skl
->ebus
, true);
91 /* read the BAR of the ADSP MMIO */
92 mmio_base
= pci_ioremap_bar(skl
->pci
, 4);
93 if (mmio_base
== NULL
) {
94 dev_err(bus
->dev
, "ioremap error\n");
98 ret
= skl_sst_dsp_init(bus
->dev
, mmio_base
, irq
,
99 loader_ops
, &skl
->skl_sst
);
103 skl_dsp_enable_notification(skl
->skl_sst
, false);
104 dev_dbg(bus
->dev
, "dsp registration status=%d\n", ret
);
109 void skl_free_dsp(struct skl
*skl
)
111 struct hdac_ext_bus
*ebus
= &skl
->ebus
;
112 struct hdac_bus
*bus
= ebus_to_hbus(ebus
);
113 struct skl_sst
*ctx
= skl
->skl_sst
;
115 /* disable ppcap interrupt */
116 snd_hdac_ext_bus_ppcap_int_enable(&skl
->ebus
, false);
118 skl_sst_dsp_cleanup(bus
->dev
, ctx
);
119 if (ctx
->dsp
->addr
.lpe
)
120 iounmap(ctx
->dsp
->addr
.lpe
);
123 int skl_suspend_dsp(struct skl
*skl
)
125 struct skl_sst
*ctx
= skl
->skl_sst
;
128 /* if ppcap is not supported return 0 */
129 if (!skl
->ebus
.ppcap
)
132 ret
= skl_dsp_sleep(ctx
->dsp
);
136 /* disable ppcap interrupt */
137 snd_hdac_ext_bus_ppcap_int_enable(&skl
->ebus
, false);
138 snd_hdac_ext_bus_ppcap_enable(&skl
->ebus
, false);
143 int skl_resume_dsp(struct skl
*skl
)
145 struct skl_sst
*ctx
= skl
->skl_sst
;
148 /* if ppcap is not supported return 0 */
149 if (!skl
->ebus
.ppcap
)
152 /* enable ppcap interrupt */
153 snd_hdac_ext_bus_ppcap_enable(&skl
->ebus
, true);
154 snd_hdac_ext_bus_ppcap_int_enable(&skl
->ebus
, true);
156 ret
= skl_dsp_wake(ctx
->dsp
);
160 skl_dsp_enable_notification(skl
->skl_sst
, false);
164 enum skl_bitdepth
skl_get_bit_depth(int params
)
168 return SKL_DEPTH_8BIT
;
171 return SKL_DEPTH_16BIT
;
174 return SKL_DEPTH_24BIT
;
177 return SKL_DEPTH_32BIT
;
180 return SKL_DEPTH_INVALID
;
185 static u32
skl_create_channel_map(enum skl_ch_cfg ch_cfg
)
190 case SKL_CH_CFG_MONO
:
191 config
= (0xFFFFFFF0 | SKL_CHANNEL_LEFT
);
194 case SKL_CH_CFG_STEREO
:
195 config
= (0xFFFFFF00 | SKL_CHANNEL_LEFT
196 | (SKL_CHANNEL_RIGHT
<< 4));
200 config
= (0xFFFFF000 | SKL_CHANNEL_LEFT
201 | (SKL_CHANNEL_RIGHT
<< 4)
202 | (SKL_CHANNEL_LFE
<< 8));
206 config
= (0xFFFFF000 | SKL_CHANNEL_LEFT
207 | (SKL_CHANNEL_CENTER
<< 4)
208 | (SKL_CHANNEL_RIGHT
<< 8));
212 config
= (0xFFFF0000 | SKL_CHANNEL_LEFT
213 | (SKL_CHANNEL_CENTER
<< 4)
214 | (SKL_CHANNEL_RIGHT
<< 8)
215 | (SKL_CHANNEL_LFE
<< 12));
218 case SKL_CH_CFG_QUATRO
:
219 config
= (0xFFFF0000 | SKL_CHANNEL_LEFT
220 | (SKL_CHANNEL_RIGHT
<< 4)
221 | (SKL_CHANNEL_LEFT_SURROUND
<< 8)
222 | (SKL_CHANNEL_RIGHT_SURROUND
<< 12));
226 config
= (0xFFFF0000 | SKL_CHANNEL_LEFT
227 | (SKL_CHANNEL_CENTER
<< 4)
228 | (SKL_CHANNEL_RIGHT
<< 8)
229 | (SKL_CHANNEL_CENTER_SURROUND
<< 12));
233 config
= (0xFFF00000 | SKL_CHANNEL_LEFT
234 | (SKL_CHANNEL_CENTER
<< 4)
235 | (SKL_CHANNEL_RIGHT
<< 8)
236 | (SKL_CHANNEL_LEFT_SURROUND
<< 12)
237 | (SKL_CHANNEL_RIGHT_SURROUND
<< 16));
241 config
= (0xFF000000 | SKL_CHANNEL_CENTER
242 | (SKL_CHANNEL_LEFT
<< 4)
243 | (SKL_CHANNEL_RIGHT
<< 8)
244 | (SKL_CHANNEL_LEFT_SURROUND
<< 12)
245 | (SKL_CHANNEL_RIGHT_SURROUND
<< 16)
246 | (SKL_CHANNEL_LFE
<< 20));
249 case SKL_CH_CFG_DUAL_MONO
:
250 config
= (0xFFFFFF00 | SKL_CHANNEL_LEFT
251 | (SKL_CHANNEL_LEFT
<< 4));
254 case SKL_CH_CFG_I2S_DUAL_STEREO_0
:
255 config
= (0xFFFFFF00 | SKL_CHANNEL_LEFT
256 | (SKL_CHANNEL_RIGHT
<< 4));
259 case SKL_CH_CFG_I2S_DUAL_STEREO_1
:
260 config
= (0xFFFF00FF | (SKL_CHANNEL_LEFT
<< 8)
261 | (SKL_CHANNEL_RIGHT
<< 12));
274 * Each module in DSP expects a base module configuration, which consists of
275 * PCM format information, which we calculate in driver and resource values
276 * which are read from widget information passed through topology binary
277 * This is send when we create a module with INIT_INSTANCE IPC msg
279 static void skl_set_base_module_format(struct skl_sst
*ctx
,
280 struct skl_module_cfg
*mconfig
,
281 struct skl_base_cfg
*base_cfg
)
283 struct skl_module_fmt
*format
= &mconfig
->in_fmt
;
285 base_cfg
->audio_fmt
.number_of_channels
= (u8
)format
->channels
;
287 base_cfg
->audio_fmt
.s_freq
= format
->s_freq
;
288 base_cfg
->audio_fmt
.bit_depth
= format
->bit_depth
;
289 base_cfg
->audio_fmt
.valid_bit_depth
= format
->valid_bit_depth
;
290 base_cfg
->audio_fmt
.ch_cfg
= format
->ch_cfg
;
292 dev_dbg(ctx
->dev
, "bit_depth=%x valid_bd=%x ch_config=%x\n",
293 format
->bit_depth
, format
->valid_bit_depth
,
296 base_cfg
->audio_fmt
.channel_map
= skl_create_channel_map(
297 base_cfg
->audio_fmt
.ch_cfg
);
299 base_cfg
->audio_fmt
.interleaving
= SKL_INTERLEAVING_PER_CHANNEL
;
301 base_cfg
->cps
= mconfig
->mcps
;
302 base_cfg
->ibs
= mconfig
->ibs
;
303 base_cfg
->obs
= mconfig
->obs
;
307 * Copies copier capabilities into copier module and updates copier module
310 static void skl_copy_copier_caps(struct skl_module_cfg
*mconfig
,
311 struct skl_cpr_cfg
*cpr_mconfig
)
313 if (mconfig
->formats_config
.caps_size
== 0)
316 memcpy(cpr_mconfig
->gtw_cfg
.config_data
,
317 mconfig
->formats_config
.caps
,
318 mconfig
->formats_config
.caps_size
);
320 cpr_mconfig
->gtw_cfg
.config_length
=
321 (mconfig
->formats_config
.caps_size
) / 4;
324 #define SKL_NON_GATEWAY_CPR_NODE_ID 0xFFFFFFFF
326 * Calculate the gatewat settings required for copier module, type of
327 * gateway and index of gateway to use
329 static void skl_setup_cpr_gateway_cfg(struct skl_sst
*ctx
,
330 struct skl_module_cfg
*mconfig
,
331 struct skl_cpr_cfg
*cpr_mconfig
)
333 union skl_connector_node_id node_id
= {0};
334 union skl_ssp_dma_node ssp_node
= {0};
335 struct skl_pipe_params
*params
= mconfig
->pipe
->p_params
;
337 switch (mconfig
->dev_type
) {
339 node_id
.node
.dma_type
=
340 (SKL_CONN_SOURCE
== mconfig
->hw_conn_type
) ?
341 SKL_DMA_I2S_LINK_OUTPUT_CLASS
:
342 SKL_DMA_I2S_LINK_INPUT_CLASS
;
343 node_id
.node
.vindex
= params
->host_dma_id
+
344 (mconfig
->vbus_id
<< 3);
348 node_id
.node
.dma_type
=
349 (SKL_CONN_SOURCE
== mconfig
->hw_conn_type
) ?
350 SKL_DMA_I2S_LINK_OUTPUT_CLASS
:
351 SKL_DMA_I2S_LINK_INPUT_CLASS
;
352 ssp_node
.dma_node
.time_slot_index
= mconfig
->time_slot
;
353 ssp_node
.dma_node
.i2s_instance
= mconfig
->vbus_id
;
354 node_id
.node
.vindex
= ssp_node
.val
;
357 case SKL_DEVICE_DMIC
:
358 node_id
.node
.dma_type
= SKL_DMA_DMIC_LINK_INPUT_CLASS
;
359 node_id
.node
.vindex
= mconfig
->vbus_id
+
360 (mconfig
->time_slot
);
363 case SKL_DEVICE_HDALINK
:
364 node_id
.node
.dma_type
=
365 (SKL_CONN_SOURCE
== mconfig
->hw_conn_type
) ?
366 SKL_DMA_HDA_LINK_OUTPUT_CLASS
:
367 SKL_DMA_HDA_LINK_INPUT_CLASS
;
368 node_id
.node
.vindex
= params
->link_dma_id
;
371 case SKL_DEVICE_HDAHOST
:
372 node_id
.node
.dma_type
=
373 (SKL_CONN_SOURCE
== mconfig
->hw_conn_type
) ?
374 SKL_DMA_HDA_HOST_OUTPUT_CLASS
:
375 SKL_DMA_HDA_HOST_INPUT_CLASS
;
376 node_id
.node
.vindex
= params
->host_dma_id
;
380 cpr_mconfig
->gtw_cfg
.node_id
= SKL_NON_GATEWAY_CPR_NODE_ID
;
381 cpr_mconfig
->cpr_feature_mask
= 0;
385 cpr_mconfig
->gtw_cfg
.node_id
= node_id
.val
;
387 if (SKL_CONN_SOURCE
== mconfig
->hw_conn_type
)
388 cpr_mconfig
->gtw_cfg
.dma_buffer_size
= 2 * mconfig
->obs
;
390 cpr_mconfig
->gtw_cfg
.dma_buffer_size
= 2 * mconfig
->ibs
;
392 cpr_mconfig
->cpr_feature_mask
= 0;
393 cpr_mconfig
->gtw_cfg
.config_length
= 0;
395 skl_copy_copier_caps(mconfig
, cpr_mconfig
);
398 static void skl_setup_out_format(struct skl_sst
*ctx
,
399 struct skl_module_cfg
*mconfig
,
400 struct skl_audio_data_format
*out_fmt
)
402 struct skl_module_fmt
*format
= &mconfig
->out_fmt
;
404 out_fmt
->number_of_channels
= (u8
)format
->channels
;
405 out_fmt
->s_freq
= format
->s_freq
;
406 out_fmt
->bit_depth
= format
->bit_depth
;
407 out_fmt
->valid_bit_depth
= format
->valid_bit_depth
;
408 out_fmt
->ch_cfg
= format
->ch_cfg
;
410 out_fmt
->channel_map
= skl_create_channel_map(out_fmt
->ch_cfg
);
411 out_fmt
->interleaving
= SKL_INTERLEAVING_PER_CHANNEL
;
413 dev_dbg(ctx
->dev
, "copier out format chan=%d fre=%d bitdepth=%d\n",
414 out_fmt
->number_of_channels
, format
->s_freq
, format
->bit_depth
);
418 * DSP needs SRC module for frequency conversion, SRC takes base module
419 * configuration and the target frequency as extra parameter passed as src
422 static void skl_set_src_format(struct skl_sst
*ctx
,
423 struct skl_module_cfg
*mconfig
,
424 struct skl_src_module_cfg
*src_mconfig
)
426 struct skl_module_fmt
*fmt
= &mconfig
->out_fmt
;
428 skl_set_base_module_format(ctx
, mconfig
,
429 (struct skl_base_cfg
*)src_mconfig
);
431 src_mconfig
->src_cfg
= fmt
->s_freq
;
435 * DSP needs updown module to do channel conversion. updown module take base
436 * module configuration and channel configuration
437 * It also take coefficients and now we have defaults applied here
439 static void skl_set_updown_mixer_format(struct skl_sst
*ctx
,
440 struct skl_module_cfg
*mconfig
,
441 struct skl_up_down_mixer_cfg
*mixer_mconfig
)
443 struct skl_module_fmt
*fmt
= &mconfig
->out_fmt
;
446 skl_set_base_module_format(ctx
, mconfig
,
447 (struct skl_base_cfg
*)mixer_mconfig
);
448 mixer_mconfig
->out_ch_cfg
= fmt
->ch_cfg
;
450 /* Select F/W default coefficient */
451 mixer_mconfig
->coeff_sel
= 0x0;
453 /* User coeff, don't care since we are selecting F/W defaults */
454 for (i
= 0; i
< UP_DOWN_MIXER_MAX_COEFF
; i
++)
455 mixer_mconfig
->coeff
[i
] = 0xDEADBEEF;
459 * 'copier' is DSP internal module which copies data from Host DMA (HDA host
460 * dma) or link (hda link, SSP, PDM)
461 * Here we calculate the copier module parameters, like PCM format, output
462 * format, gateway settings
463 * copier_module_config is sent as input buffer with INIT_INSTANCE IPC msg
465 static void skl_set_copier_format(struct skl_sst
*ctx
,
466 struct skl_module_cfg
*mconfig
,
467 struct skl_cpr_cfg
*cpr_mconfig
)
469 struct skl_audio_data_format
*out_fmt
= &cpr_mconfig
->out_fmt
;
470 struct skl_base_cfg
*base_cfg
= (struct skl_base_cfg
*)cpr_mconfig
;
472 skl_set_base_module_format(ctx
, mconfig
, base_cfg
);
474 skl_setup_out_format(ctx
, mconfig
, out_fmt
);
475 skl_setup_cpr_gateway_cfg(ctx
, mconfig
, cpr_mconfig
);
478 static u16
skl_get_module_param_size(struct skl_sst
*ctx
,
479 struct skl_module_cfg
*mconfig
)
483 switch (mconfig
->m_type
) {
484 case SKL_MODULE_TYPE_COPIER
:
485 param_size
= sizeof(struct skl_cpr_cfg
);
486 param_size
+= mconfig
->formats_config
.caps_size
;
489 case SKL_MODULE_TYPE_SRCINT
:
490 return sizeof(struct skl_src_module_cfg
);
492 case SKL_MODULE_TYPE_UPDWMIX
:
493 return sizeof(struct skl_up_down_mixer_cfg
);
497 * return only base cfg when no specific module type is
500 return sizeof(struct skl_base_cfg
);
507 * DSP firmware supports various modules like copier, SRC, updown etc.
508 * These modules required various parameters to be calculated and sent for
509 * the module initialization to DSP. By default a generic module needs only
510 * base module format configuration
513 static int skl_set_module_format(struct skl_sst
*ctx
,
514 struct skl_module_cfg
*module_config
,
515 u16
*module_config_size
,
520 param_size
= skl_get_module_param_size(ctx
, module_config
);
522 *param_data
= kzalloc(param_size
, GFP_KERNEL
);
523 if (NULL
== *param_data
)
526 *module_config_size
= param_size
;
528 switch (module_config
->m_type
) {
529 case SKL_MODULE_TYPE_COPIER
:
530 skl_set_copier_format(ctx
, module_config
, *param_data
);
533 case SKL_MODULE_TYPE_SRCINT
:
534 skl_set_src_format(ctx
, module_config
, *param_data
);
537 case SKL_MODULE_TYPE_UPDWMIX
:
538 skl_set_updown_mixer_format(ctx
, module_config
, *param_data
);
542 skl_set_base_module_format(ctx
, module_config
, *param_data
);
547 dev_dbg(ctx
->dev
, "Module type=%d config size: %d bytes\n",
548 module_config
->id
.module_id
, param_size
);
549 print_hex_dump(KERN_DEBUG
, "Module params:", DUMP_PREFIX_OFFSET
, 8, 4,
550 *param_data
, param_size
, false);
554 static int skl_get_queue_index(struct skl_module_pin
*mpin
,
555 struct skl_module_inst_id id
, int max
)
559 for (i
= 0; i
< max
; i
++) {
560 if (mpin
[i
].id
.module_id
== id
.module_id
&&
561 mpin
[i
].id
.instance_id
== id
.instance_id
)
569 * Allocates queue for each module.
570 * if dynamic, the pin_index is allocated 0 to max_pin.
571 * In static, the pin_index is fixed based on module_id and instance id
573 static int skl_alloc_queue(struct skl_module_pin
*mpin
,
574 struct skl_module_inst_id id
, int max
)
579 * if pin in dynamic, find first free pin
580 * otherwise find match module and instance id pin as topology will
581 * ensure a unique pin is assigned to this so no need to
584 for (i
= 0; i
< max
; i
++) {
585 if (mpin
[i
].is_dynamic
) {
586 if (!mpin
[i
].in_use
) {
587 mpin
[i
].in_use
= true;
588 mpin
[i
].id
.module_id
= id
.module_id
;
589 mpin
[i
].id
.instance_id
= id
.instance_id
;
593 if (mpin
[i
].id
.module_id
== id
.module_id
&&
594 mpin
[i
].id
.instance_id
== id
.instance_id
)
602 static void skl_free_queue(struct skl_module_pin
*mpin
, int q_index
)
604 if (mpin
[q_index
].is_dynamic
) {
605 mpin
[q_index
].in_use
= false;
606 mpin
[q_index
].id
.module_id
= 0;
607 mpin
[q_index
].id
.instance_id
= 0;
612 * A module needs to be instanataited in DSP. A mdoule is present in a
613 * collection of module referred as a PIPE.
614 * We first calculate the module format, based on module type and then
615 * invoke the DSP by sending IPC INIT_INSTANCE using ipc helper
617 int skl_init_module(struct skl_sst
*ctx
,
618 struct skl_module_cfg
*mconfig
, char *param
)
620 u16 module_config_size
= 0;
621 void *param_data
= NULL
;
623 struct skl_ipc_init_instance_msg msg
;
625 dev_dbg(ctx
->dev
, "%s: module_id = %d instance=%d\n", __func__
,
626 mconfig
->id
.module_id
, mconfig
->id
.instance_id
);
628 if (mconfig
->pipe
->state
!= SKL_PIPE_CREATED
) {
629 dev_err(ctx
->dev
, "Pipe not created state= %d pipe_id= %d\n",
630 mconfig
->pipe
->state
, mconfig
->pipe
->ppl_id
);
634 ret
= skl_set_module_format(ctx
, mconfig
,
635 &module_config_size
, ¶m_data
);
637 dev_err(ctx
->dev
, "Failed to set module format ret=%d\n", ret
);
641 msg
.module_id
= mconfig
->id
.module_id
;
642 msg
.instance_id
= mconfig
->id
.instance_id
;
643 msg
.ppl_instance_id
= mconfig
->pipe
->ppl_id
;
644 msg
.param_data_size
= module_config_size
;
645 msg
.core_id
= mconfig
->core_id
;
647 ret
= skl_ipc_init_instance(&ctx
->ipc
, &msg
, param_data
);
649 dev_err(ctx
->dev
, "Failed to init instance ret=%d\n", ret
);
653 mconfig
->m_state
= SKL_MODULE_INIT_DONE
;
658 static void skl_dump_bind_info(struct skl_sst
*ctx
, struct skl_module_cfg
659 *src_module
, struct skl_module_cfg
*dst_module
)
661 dev_dbg(ctx
->dev
, "%s: src module_id = %d src_instance=%d\n",
662 __func__
, src_module
->id
.module_id
, src_module
->id
.instance_id
);
663 dev_dbg(ctx
->dev
, "%s: dst_module=%d dst_instacne=%d\n", __func__
,
664 dst_module
->id
.module_id
, dst_module
->id
.instance_id
);
666 dev_dbg(ctx
->dev
, "src_module state = %d dst module state = %d\n",
667 src_module
->m_state
, dst_module
->m_state
);
671 * On module freeup, we need to unbind the module with modules
672 * it is already bind.
673 * Find the pin allocated and unbind then using bind_unbind IPC
675 int skl_unbind_modules(struct skl_sst
*ctx
,
676 struct skl_module_cfg
*src_mcfg
,
677 struct skl_module_cfg
*dst_mcfg
)
680 struct skl_ipc_bind_unbind_msg msg
;
681 struct skl_module_inst_id src_id
= src_mcfg
->id
;
682 struct skl_module_inst_id dst_id
= dst_mcfg
->id
;
683 int in_max
= dst_mcfg
->max_in_queue
;
684 int out_max
= src_mcfg
->max_out_queue
;
685 int src_index
, dst_index
;
687 skl_dump_bind_info(ctx
, src_mcfg
, dst_mcfg
);
689 if (src_mcfg
->m_state
!= SKL_MODULE_BIND_DONE
)
693 * if intra module unbind, check if both modules are BIND,
696 if ((src_mcfg
->pipe
->ppl_id
!= dst_mcfg
->pipe
->ppl_id
) &&
697 dst_mcfg
->m_state
!= SKL_MODULE_BIND_DONE
)
699 else if (src_mcfg
->m_state
< SKL_MODULE_INIT_DONE
&&
700 dst_mcfg
->m_state
< SKL_MODULE_INIT_DONE
)
703 /* get src queue index */
704 src_index
= skl_get_queue_index(src_mcfg
->m_out_pin
, dst_id
, out_max
);
708 msg
.src_queue
= src_mcfg
->m_out_pin
[src_index
].pin_index
;
710 /* get dst queue index */
711 dst_index
= skl_get_queue_index(dst_mcfg
->m_in_pin
, src_id
, in_max
);
715 msg
.dst_queue
= dst_mcfg
->m_in_pin
[dst_index
].pin_index
;
717 msg
.module_id
= src_mcfg
->id
.module_id
;
718 msg
.instance_id
= src_mcfg
->id
.instance_id
;
719 msg
.dst_module_id
= dst_mcfg
->id
.module_id
;
720 msg
.dst_instance_id
= dst_mcfg
->id
.instance_id
;
723 ret
= skl_ipc_bind_unbind(&ctx
->ipc
, &msg
);
725 src_mcfg
->m_state
= SKL_MODULE_UNINIT
;
726 /* free queue only if unbind is success */
727 skl_free_queue(src_mcfg
->m_out_pin
, src_index
);
728 skl_free_queue(dst_mcfg
->m_in_pin
, dst_index
);
735 * Once a module is instantiated it need to be 'bind' with other modules in
736 * the pipeline. For binding we need to find the module pins which are bind
738 * This function finds the pins and then sends bund_unbind IPC message to
739 * DSP using IPC helper
741 int skl_bind_modules(struct skl_sst
*ctx
,
742 struct skl_module_cfg
*src_mcfg
,
743 struct skl_module_cfg
*dst_mcfg
)
746 struct skl_ipc_bind_unbind_msg msg
;
747 struct skl_module_inst_id src_id
= src_mcfg
->id
;
748 struct skl_module_inst_id dst_id
= dst_mcfg
->id
;
749 int in_max
= dst_mcfg
->max_in_queue
;
750 int out_max
= src_mcfg
->max_out_queue
;
751 int src_index
, dst_index
;
753 skl_dump_bind_info(ctx
, src_mcfg
, dst_mcfg
);
755 if (src_mcfg
->m_state
< SKL_MODULE_INIT_DONE
&&
756 dst_mcfg
->m_state
< SKL_MODULE_INIT_DONE
)
759 src_index
= skl_alloc_queue(src_mcfg
->m_out_pin
, dst_id
, out_max
);
763 msg
.src_queue
= src_mcfg
->m_out_pin
[src_index
].pin_index
;
764 dst_index
= skl_alloc_queue(dst_mcfg
->m_in_pin
, src_id
, in_max
);
766 skl_free_queue(src_mcfg
->m_out_pin
, src_index
);
770 msg
.dst_queue
= dst_mcfg
->m_in_pin
[dst_index
].pin_index
;
772 dev_dbg(ctx
->dev
, "src queue = %d dst queue =%d\n",
773 msg
.src_queue
, msg
.dst_queue
);
775 msg
.module_id
= src_mcfg
->id
.module_id
;
776 msg
.instance_id
= src_mcfg
->id
.instance_id
;
777 msg
.dst_module_id
= dst_mcfg
->id
.module_id
;
778 msg
.dst_instance_id
= dst_mcfg
->id
.instance_id
;
781 ret
= skl_ipc_bind_unbind(&ctx
->ipc
, &msg
);
784 src_mcfg
->m_state
= SKL_MODULE_BIND_DONE
;
786 /* error case , if IPC fails, clear the queue index */
787 skl_free_queue(src_mcfg
->m_out_pin
, src_index
);
788 skl_free_queue(dst_mcfg
->m_in_pin
, dst_index
);
794 static int skl_set_pipe_state(struct skl_sst
*ctx
, struct skl_pipe
*pipe
,
795 enum skl_ipc_pipeline_state state
)
797 dev_dbg(ctx
->dev
, "%s: pipe_satate = %d\n", __func__
, state
);
799 return skl_ipc_set_pipeline_state(&ctx
->ipc
, pipe
->ppl_id
, state
);
803 * A pipeline is a collection of modules. Before a module in instantiated a
804 * pipeline needs to be created for it.
805 * This function creates pipeline, by sending create pipeline IPC messages
808 int skl_create_pipeline(struct skl_sst
*ctx
, struct skl_pipe
*pipe
)
812 dev_dbg(ctx
->dev
, "%s: pipe_id = %d\n", __func__
, pipe
->ppl_id
);
814 ret
= skl_ipc_create_pipeline(&ctx
->ipc
, pipe
->memory_pages
,
815 pipe
->pipe_priority
, pipe
->ppl_id
);
817 dev_err(ctx
->dev
, "Failed to create pipeline\n");
821 pipe
->state
= SKL_PIPE_CREATED
;
827 * A pipeline needs to be deleted on cleanup. If a pipeline is running, then
828 * pause the pipeline first and then delete it
829 * The pipe delete is done by sending delete pipeline IPC. DSP will stop the
830 * DMA engines and releases resources
832 int skl_delete_pipe(struct skl_sst
*ctx
, struct skl_pipe
*pipe
)
836 dev_dbg(ctx
->dev
, "%s: pipe = %d\n", __func__
, pipe
->ppl_id
);
838 /* If pipe is not started, do not try to stop the pipe in FW. */
839 if (pipe
->state
> SKL_PIPE_STARTED
) {
840 ret
= skl_set_pipe_state(ctx
, pipe
, PPL_PAUSED
);
842 dev_err(ctx
->dev
, "Failed to stop pipeline\n");
846 pipe
->state
= SKL_PIPE_PAUSED
;
848 /* If pipe was not created in FW, do not try to delete it */
849 if (pipe
->state
< SKL_PIPE_CREATED
)
852 ret
= skl_ipc_delete_pipeline(&ctx
->ipc
, pipe
->ppl_id
);
854 dev_err(ctx
->dev
, "Failed to delete pipeline\n");
861 * A pipeline is also a scheduling entity in DSP which can be run, stopped
862 * For processing data the pipe need to be run by sending IPC set pipe state
865 int skl_run_pipe(struct skl_sst
*ctx
, struct skl_pipe
*pipe
)
869 dev_dbg(ctx
->dev
, "%s: pipe = %d\n", __func__
, pipe
->ppl_id
);
871 /* If pipe was not created in FW, do not try to pause or delete */
872 if (pipe
->state
< SKL_PIPE_CREATED
)
875 /* Pipe has to be paused before it is started */
876 ret
= skl_set_pipe_state(ctx
, pipe
, PPL_PAUSED
);
878 dev_err(ctx
->dev
, "Failed to pause pipe\n");
882 pipe
->state
= SKL_PIPE_PAUSED
;
884 ret
= skl_set_pipe_state(ctx
, pipe
, PPL_RUNNING
);
886 dev_err(ctx
->dev
, "Failed to start pipe\n");
890 pipe
->state
= SKL_PIPE_STARTED
;
896 * Stop the pipeline by sending set pipe state IPC
897 * DSP doesnt implement stop so we always send pause message
899 int skl_stop_pipe(struct skl_sst
*ctx
, struct skl_pipe
*pipe
)
903 dev_dbg(ctx
->dev
, "In %s pipe=%d\n", __func__
, pipe
->ppl_id
);
905 /* If pipe was not created in FW, do not try to pause or delete */
906 if (pipe
->state
< SKL_PIPE_PAUSED
)
909 ret
= skl_set_pipe_state(ctx
, pipe
, PPL_PAUSED
);
911 dev_dbg(ctx
->dev
, "Failed to stop pipe\n");
915 pipe
->state
= SKL_PIPE_CREATED
;